<template>
	<div class="todo-header">
		<input
			type="text"
			placeholder="请输入你的任务名称，按回车键确认"
			@keyup.enter="addTodoHandle"
		/>
	</div>
</template>

<script>
import { nanoid } from "nanoid";
export default {
	name: "Header",
	props: ["addTodoList"],
	methods: {
		addTodoHandle(e) {
			// 接收文本框的值
			const newTodoValue = e.target.value;
			// 判断是否为空 空则啥也不干直接退出函数
			if (!newTodoValue.trim()) return;
			const newTodo = {
				id: nanoid(),
				thing: newTodoValue,
				done: false,
			};
			this.addTodoList(newTodo);
			e.target.value = "";
		},
	},
};
</script>

<style scoped>
.todo-header input {
	width: 560px;
	height: 28px;
	font-size: 14px;
	border: 1px solid #ccc;
	border-radius: 4px;
	padding: 4px 7px;
}

.todo-header input:focus {
	outline: none;
	border-color: rgba(82, 168, 236, 0.8);
	box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075),
		0 0 8px rgba(82, 168, 236, 0.6);
}
</style>
